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Generac GP8000E 8000W portable generator with COsense and electric start
Generac GP6500 portable generator front view with PowerRush and COsense features.
Rear angled view of Generac GP6500 portable generator showing engine and frame.
Generac GP6500 portable generator promoting portable power for outages, DIY, events, and RVs.
Generac generator guide showing wattage needs for refrigerator, sump pump, furnace, tools, and AC.
Generac GP6500 generator with circular saw, showing 6.9-gallon tank and 10.5-hour runtime at 50% load.

Portable Generator, 8000W | Electric Start | 50ST

Generac’s GP8000E offers many benefits that make this model a favorite for emergency power or recreational use. PowerRush™ Advanced Technology delivers over 30% more starting capacity* (*increase electrical current upon demand above rated output when starting electric motors), and the electric start makes the GP8000E easy to use (battery included). You’ll always be prepared with the plug-in battery jack that keeps the battery charged and ready for unexpected outages. The long-lasting OHV engine and large-capacity steel fuel tank with fuel gauge provide increased durability and up to an 11-hour runtime at 50% load. Rough or rugged environments will not be an issue thanks to the covered outlets for added protection, heavy-duty wheels that will never go flat, and a fold-down handle that will enable you to easily transport your generator to any location. The low-oil feature will automatically shut down the generator, preventing damage to the unit, while the hardened 1.25-in. steel-tube cradle increases strength and resilience. And with the regular maintenance alerts provided by your hour meter, you’ll never be caught off guard.

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Portable Generator
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Generac 8000W Portable Generator – COsense® & Electric Start

The Generac 8000W portable generator with COsense® Technology is a dependable power source for home backup, recreational use, or worksite energy needs. Designed with PowerRush™ Advanced Technology, this generator delivers over 30% more starting capacity to power heavy electrical loads with ease. Its robust OHV engine, paired with a hardened 1¼” steel-tube cradle and 7.9-gallon fuel tank, provides long-lasting durability and up to 10 hours of runtime at 50% load.

Key Benefits of the 8000W Portable Generator

  • 8000 running watts and 10,000 starting watts for reliable power
  • COsense® Technology offers enhanced carbon monoxide detection and automatic shutdown
  • PowerRush™ Advanced Technology for over 30% more starting power
  • Electric start with included 12V DC, 9Ah lead acid battery
  • Durable 1¼” steel-tube cradle for protection and strength
  • 7.9-gallon fuel tank provides extended runtime with a built-in gauge
  • Low-oil level shutdown to protect engine longevity
  • Hour meter for maintenance tracking and readiness

Common Applications

  • Residential emergency backup during outages
  • Construction sites needing mobile, heavy-duty power
  • Outdoor events and recreational applications

Packaging

Packaged with a 12V DC, 9Ah lead acid battery, wheel kit for easy mobility, and an owner’s manual for quick setup.

Product Properties

Property Value
Running Watts 8000
Starting Watts 10000
Fuel Type Gaseous
Engine Type OHV
Fuel Tank Capacity (gal) 7.9
Oil Capacity (qt) 1.06
Battery Type Lead Acid
Battery Size 12V DC, 9Ah
Wheel Kit Included Yes
Run Time @ 50% Load (hr) 10
Weight (lb) 198
Dimensions (L x W x H) 27.2″ x 27″ x 26.5″

For more generator options, view our previous model or visit Generac.com for additional details.

Technical Documents

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